<html>
<body>
<h2>Hello World!</h2>

<select name="category" id="">
    <option value=""></option>
</select>
<select name="spec" id="">
    <option value=""></option>
</select>
<select name="spec" id="">
    <option value=""></option>
</select>

<script>

</script>
</body>
</html>
